Mortgage borrowers' nervous wait but markets steady after Keir Starmer quits

Britain's pound, gilt prices hold lower after Starmer steps down

UK PM Keir Starmer resigns with Andy Burnham as potential successor; sterling down 0.27%, 10-year gilts up 1bp to 4.85%. Finance minister change (Rachel Reeves → TBD) signals regulatory continuity uncertainty for UK tech firms managing EU compliance and AI governance alignment post-Brexit.